Thực hiện phép tính một cách hợp lí:
\(\frac{0,4-\frac{2}{9}+\frac{2}{11}}{1,4-\frac{7}{9}+\frac{7}{11}}-\frac{\frac{1}{3}-0,25+\frac{1}{5}}{1\frac{1}{6}-0,875+0,7}\)
Tính hợp lí (nếu có thể):
\(\frac{0,4-\frac{2}{9}+\frac{2}{11}}{1,4-\frac{7}{9}+\frac{7}{11}}-\frac{\frac{1}{3}-0,25+\frac{1}{5}}{1\frac{1}{6}-0,875+0,7}\)
D=[(0,4-2/9+2/11)/(1,4-7/9-7/11)] - [(1/3-0,25+1/5)/(1/6-0,875+0,7)]
Thực hiện phép tính một cách hợp lí:
a)\(\frac{0,8:\left(\frac{4}{5}.1,25\right)}{0,64-\frac{1}{25}}+\frac{\left(1,08-\frac{2}{25}\right):\frac{4}{7}}{\left(6\frac{5}{9}-3\frac{1}{4}\right).2\frac{2}{17}}\)
b)\(\frac{0,4-\frac{2}{9}+\frac{2}{11}}{1,4-\frac{7}{9}+\frac{7}{11}}-\frac{\frac{1}{3}-0,25+\frac{1}{5}}{1\frac{1}{6}-0,875+0,7}\)
Giải đầy đủ giúp mk nha, cảm ơn nhìu
2014 : [ $\frac{1\frac{1}{6} + 0,875 - 0,7 }{\frac{1}{3} - 0,25 + \frac{1}{5} }$ . $\frac{0,4 - \frac{2}{9} + \frac{2}{11}}{1,4 - \frac{7}{9} + \frac{7}{11} }$ ]
Tinh 2015/2016:(0,4-2/9+2/11 phan 1,4-7/9+7/11x-1va 1/6+0,875-0,7 phan 1/3-0,25+1/5)
\(\dfrac{0,4-\dfrac{2}{9}-\dfrac{2}{11}}{\dfrac{7}{9}-1,4-\dfrac{1}{11}}-\dfrac{\dfrac{1}{3}-0,25-\dfrac{1}{5}}{0,875-1\dfrac{1}{6}-0,7}\)
tính
N=\(\frac{0,4-\frac{2}{9}+\frac{2}{11}}{1,4-\frac{7}{9+\frac{7}{11}}}-\frac{\frac{1}{3}-0,25+\frac{1}{5}}{1\frac{1}{6}-0,875+0,7}\)
Tính : \(A=\left(\frac{0,4-\frac{2}{9}+\frac{2}{11}}{1,4-\frac{7}{9}+\frac{7}{11}}-\frac{\frac{1}{3}-0,25+\frac{1}{5}}{1+\frac{1}{6}-0,875+0,7}\right):\frac{2014}{2015}\)